STS-51-B was the 17th flight of the NASA Space Shuttle program and the seventh flight of Space Shuttle Challenger. The launch of Challenger on April 29, 1985, was delayed by 2 minutes and 18 seconds, due to a launch processing failure.

2023年7月28日 · STS-51B was the 17th flight of NASA's Space Shuttle Program, and the seventh flight of Space Shuttle Challenger. S84-43852 (November 1984) — These seven men are the prime crew for NASA’s Spacelab 3/STS-51B mission, launched in late April 1985. In the front row are astronauts Robert F. Overmyer (left), commander; and Frederick D. Gregory, pilot.

sts-51-b （原先编号sts-24）是历史上第十七次航天飞机任务，也是挑战者号航天飞机的第六次太空飞行。

STS-51B Fact Sheet. By Cliff Lethbridge. STS-51B — Challenger. 17th Space Shuttle Mission. 7th Flight of Challenger. Crew: Robert F. Overmyer, Commander. Frederick D. Gregory, Pilot. Don L. Lind, Mission Specialist. Norman E. Thagard, Mission Specialist. William E. Thornton, Mission Specialist. Lodewijk van den Berg, Payload Specialist

sts-51-b是历史上第十七次航天飞机任务，也是挑战者号航天飞机的第六次太空飞行。

2020年3月27日 · When STS-51E was canceled, Challenger was remanifested with the STS -51B payloads. The mission was the second flight of Spacelab, but the first in a fully operational configuration. Spacelab capabilities for multi-disciplinary research in microgravity were successfully demonstrated.

2013年4月11日 · STS 51-B was the seventeenth flight of NASA's Space Shuttle program, and the seventh flight of Space Shuttle Challenger. The launch of Challenger on 29 April 1985 was delayed by 2 minutes and 18 seconds, due to a launch processing failure.

First operational flight for Spacelab orbital laboratory series developed by European Space Agency. Five basic discipline areas: materials sciences, life sciences, fluid mechanics, atmospheric physics.

STS-51-B - Artist concept of Spacelab in orbiter cargo bay with horizon - Credit: NASA. Orbits of Earth : 110. Distance traveled : 4,651,620 km. Orbiter Mass at Landing : 96,370 kg.

The STS-51B mission. Audio files coming soon... Digitized, cataloged and archived by the Houston Audio Control Room, at the NASA Johnson Space Center.